PCA9685_10 Datasheet, PDF (17/51 Pages) NXP Semiconductors – 16-channel, 12-bit PWM Fm+ I2C-bus LED controller

NXP Semiconductors
PCA9685
16-channel, 12-bit PWM Fm+ I²C-bus LED controller
STOP
0
example 1
LEDn_ON
511
LEDn_OFF
example 2
LEDn_ON
LEDn_OFF
example 3
LEDn_ON
1023
2047
4095 0
511
3071
767
4095 0
511
3071
2047
767
4095 0
3071
2047
example 4 _off
LEDn_ON
LEDn_OFF
1023
1023
Fig 9.
Example 1: LEDn_ON < LEDn_OFF
Example 2: LEDn_ON > LEDn_OFF
Example 3: LEDn_ON[12] = 1; LEDn_ON[11:0] = 1022; LEDn_OFF[12] = 0; LEDn_OFF[11:0] = don’t care
Example 4: LEDn_ON[12] = 0; LEDn_OFF[12] = 0; LEDn_ON[11:0] = LEDn_OFF[11:0]
Output example
002aad193
PCA9685
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 2 September 2010
© NXP B.V. 2010. All rights reserved.
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